<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Tag
 * @subpackage Cloud
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: HtmlCloud.php 18951 2009-11-12 16:26:19Z alexander $
 */

/**
 * @see Zend_Tag_Cloud_Decorator_Cloud
 */
require_once 'Zend/Tag/Cloud/Decorator/Cloud.php';

/**
 * Simple HTML decorator for clouds
 *
 * @category  Zend
 * @package   Zend_Tag
 * @uses      Zend_Tag_Cloud_Decorator_Cloud
 * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Tag_Cloud_Decorator_HtmlCloud extends Zend_Tag_Cloud_Decorator_Cloud
{
	/**
	 * List of HTML tags
	 *
	 * @var array
	 */
	protected $_htmlTags = array(
        'ul' => array('class' => 'Zend_Tag_Cloud')
	);

	/**
	 * Separator for the single tags
	 *
	 * @var string
	 */
	protected $_separator = ' ';

	/**
	 * Set the HTML tags surrounding all tags
	 *
	 * @param  array $htmlTags
	 * @return Zend_Tag_Cloud_Decorator_HtmlCloud
	 */
	public function setHtmlTags(array $htmlTags)
	{
		$this->_htmlTags = $htmlTags;
		return $this;
	}

	/**
	 * Retrieve HTML tag map
	 *
	 * @return array
	 */
	public function getHtmlTags()
	{
		return $this->_htmlTags;
	}

	/**
	 * Set the separator between the single tags
	 *
	 * @param  string
	 * @return Zend_Tag_Cloud_Decorator_HtmlCloud
	 */
	public function setSeparator($separator)
	{
		$this->_separator = $separator;
		return $this;
	}

	/**
	 * Get tag separator
	 *
	 * @return string
	 */
	public function getSeparator()
	{
		return $this->_separator;
	}

	/**
	 * Defined by Zend_Tag_Cloud_Decorator_Cloud
	 *
	 * @param  array $tags
	 * @return string
	 */
	public function render(array $tags)
	{
		$cloudHtml = implode($this->getSeparator(), $tags);

		foreach ($this->getHtmlTags() as $key => $data) {
			if (is_array($data)) {
				$htmlTag    = $key;
				$attributes = '';

				foreach ($data as $param => $value) {
					$attributes .= ' ' . $param . '="' . htmlspecialchars($value) . '"';
				}
			} else {
				$htmlTag    = $data;
				$attributes = '';
			}

			$cloudHtml = sprintf('<%1$s%3$s>%2$s</%1$s>', $htmlTag, $cloudHtml, $attributes);
		}

		return $cloudHtml;
	}
}
